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Introduction to propensity scores.
Williamson EJ, Forbes A. Williamson EJ, et al. Respirology. 2014 Jul;19(5):625-35. doi: 10.1111/resp.12312. Epub 2014 May 29. Respirology. 2014. PMID: 24889820 Review.
Confounder-adjusted estimates of the risk difference using propensity score-based weighting.
Ukoumunne OC, Williamson E, Forbes AB, Gulliford MC, Carlin JB. Ukoumunne OC, et al. Among authors: williamson e. Stat Med. 2010 Dec 30;29(30):3126-36. doi: 10.1002/sim.3935. Stat Med. 2010. PMID: 21170907
Propensity scores: from naive enthusiasm to intuitive understanding.
Williamson E, Morley R, Lucas A, Carpenter J. Williamson E, et al. Stat Methods Med Res. 2012 Jun;21(3):273-93. doi: 10.1177/0962280210394483. Epub 2011 Jan 24. Stat Methods Med Res. 2012. PMID: 21262780
Variance estimation for stratified propensity score estimators.
Williamson EJ, Morley R, Lucas A, Carpenter JR. Williamson EJ, et al. Stat Med. 2012 Jul 10;31(15):1617-32. doi: 10.1002/sim.4504. Epub 2012 Feb 24. Stat Med. 2012. PMID: 22362427
20/20--Alcohol and age-related macular degeneration: the Melbourne Collaborative Cohort Study.
Adams MK, Chong EW, Williamson E, Aung KZ, Makeyeva GA, Giles GG, English DR, Hopper J, Guymer RH, Baird PN, Robman LD, Simpson JA. Adams MK, et al. Among authors: williamson e. Am J Epidemiol. 2012 Aug 15;176(4):289-98. doi: 10.1093/aje/kws004. Epub 2012 Jul 29. Am J Epidemiol. 2012. PMID: 22847604
Nitrous oxide and serious morbidity and mortality in the POISE trial.
Leslie K, Myles P, Devereaux PJ, Forbes A, Rao-Melancini P, Williamson E, Xu S, Foex P, Pogue J, Arrieta M, Bryson GL, Paul J, Paech MJ, Merchant RN, Choi PT, Badner N, Peyton P, Sear JW, Yang H. Leslie K, et al. Among authors: williamson e. Anesth Analg. 2013 May;116(5):1034-40. doi: 10.1213/ANE.0b013e318270014a. Epub 2013 Jan 21. Anesth Analg. 2013. PMID: 23337413 Clinical Trial.
Introduction to causal diagrams for confounder selection.
Williamson EJ, Aitken Z, Lawrie J, Dharmage SC, Burgess JA, Forbes AB. Williamson EJ, et al. Respirology. 2014 Apr;19(3):303-11. doi: 10.1111/resp.12238. Epub 2014 Jan 22. Respirology. 2014. PMID: 24447391 Review.
Measurements of 25-hydroxyvitamin D concentrations in archived dried blood spots are reliable and accurately reflect those in plasma.
Heath AK, Williamson EJ, Ebeling PR, Kvaskoff D, Eyles DW, English DR. Heath AK, et al. Among authors: williamson ej. J Clin Endocrinol Metab. 2014 Sep;99(9):3319-24. doi: 10.1210/jc.2014-1269. Epub 2014 Jun 2. J Clin Endocrinol Metab. 2014. PMID: 24885629
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